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Chapter and Conference Paper
New Views of Active Regions, Flares and CME’s from Space
In the present article, we treat (1) the problem of how the active region coronae are heated in extra and supplied mass, and (2) the problems of how the small but high energy loop flares, and the large and dyn...
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Chapter and Conference Paper
A Magnetohydrodynamic Model to Dark Filament Eruption and Arcade Flaring
We performed a 2.5-dimensional magnetohydrodynamic simulation for dark filament eruption and arcade flaring in the solar corona. The simula- tion was based on the quadruple magnetic source model created by Uch...
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Chapter and Conference Paper
Generation of Current System and Energy Deposition in a Magnetohydrodynamic Model for the Production of Radio Jets from Active Galactic Nuclei (AGN’s)
We have performed 2.5D MHD numerical simulations based on our model of the MHD jet formation (Uchida and Shibata 1985). We have already shown also in the case of AGN jets that a magnetically driven, well-colli...
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Chapter and Conference Paper
On Magnetodynamic Jet Formation from Accretion Process Of Magnetized GAS in AGN Core
In this paper, we discuss the extension of the Swee** Magnetic Twist model to the situation of AGN jets from its accretion disk in the core. The model was first proposed for the star formation bipolar flow c...
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Chapter and Conference Paper
Magnetodynamic Formation Of Jets In Accretion Process Of Magnetized Mass Onto The Central Gravitator — Cases Of Forming Stars And Active Galactic Nuclei
A magnetodynamic model to deal with the acceleration and collimation of jets as a part of the global process of gravitational contraction of the magnetized gas to the central gravitator is discussed. We first ...
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Chapter and Conference Paper
Observations Of Flares And Active Regions From Yohkoh, and Magnetodynamic Models Explaining Them
We discuss here some of the new aspects about solar flares and active regions found by the Solar X-ray Satellite Yohkoh, by taking advantage of the wider dynamic range and higher cadence observations with high...
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Article
Observations of Flares and Active Regions from Yohkoh, and Magnetodynamic Models Explaining Them
We discuss here some of the new aspects about solar flares and active regions found by the Solar X-ray Satellite Yohkoh, by taking advantage of the wider dynamic range and higher cadence observations with high...
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Article
Magnetodynamic Formation of Jets in Accretion Process of Magnetized Mass onto the Central Gravitator — Cases of Forming Stars and Active Galactic Nuclei
A magnetodynamic model to deal with the acceleration and collimation of jets as a part of the global process of gravitational contraction of the magnetized gas to the central gravitator is discussed. We first ...
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Chapter and Conference Paper
Solar Arcade Flarings as Magnetodynamic Process of Mass and Energy Shedding from Energized Magnetic Regions
Prototypes of magnetic actions in producing and shedding the X-ray-emitting high temperature plasmas in various astrophysical objects are witnessed in the spatially-resolved form on the Sun by the Solar X-ray ...
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Chapter and Conference Paper
General introduction
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Chapter and Conference Paper
On mechanisms of solar flares —some observational tests by using Solar-A
The possibilities for using Solar-A observations to discriminate between the thus-far proposed flare mechanisms are discussed. In this context, we point out some thus-far unnoticed restrictions of the “standar...
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Chapter and Conference Paper
Interacting Magnetospheres in RS CVn Binaries — Coronal Heating and Flares
Coronae and flares of RS CVn systems are interpreted as due to gradual and sudden releases of magnetic free energy which is built up throught the interaction of magnetic fields of stars in these close binary s...